#coding=UTF-8
import requests
import json

# 引入自定义的keystone模块
import keystone
keystone_s=keystone.getToken()

#nova(compute)端点地址：
compute_url="http://192.168.100.10:8774/v2.1/servers"
#定义请求头
headers={
    "X-Auth-Token":keystone_s['token']
}
#发送请求
req=requests.get(compute_url,headers=headers)
#格式化打印响应
print(json.dumps(req.json(),sort_keys=True,indent=4))
print("servers:",len(req.json()['servers']))
#循环打印主机列表
for i in req.json()['servers']:
    print("server name:",str(i['name']),"id:",str(i['id']))